Electrical stimulation device



FIG. 1 is a top, front, left side perspective view of an electrical stimulation device according to our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top, rear, right side perspective view thereof.

The broken lines in the figures depict portions of the electrical stimulation device that form no part of the claimed design. 

CLAIM The ornamental design for an electrical stimulation device, as shown and described. 